[coldfire]: 2.6.31 support (WiP)

[openwrt/svn-archive/archive.git] / target / linux / coldfire / files-2.6.31 / arch / m68k / include / asm / cf_raw_io.h

diff --git a/target/linux/coldfire/files-2.6.31/arch/m68k/include/asm/cf_raw_io.h b/target/linux/coldfire/files-2.6.31/arch/m68k/include/asm/cf_raw_io.h
new file mode 100644 (file)
index 0000000..246a455
--- /dev/null
+++ b/target/linux/coldfire/files-2.6.31/arch/m68k/include/asm/cf_raw_io.h
@@ -0,0 +1,181 @@
+/*
+ * linux/include/asm-m68k/cf_raw_io.h
+ *
+ * Copyright 2007-2009 Freescale Semiconductor, Inc. All Rights Reserved.
+ * 09/30/08 JKM: split Coldfire pieces into separate file
+ */
+#ifndef __CF_RAW_IO__
+#define __CF_RAW_IO__
+
+#ifdef __KERNEL__
+
+#include <asm/types.h>
+
+/* Values for nocacheflag and cmode */
+#define IOMAP_FULL_CACHING             0
+#define IOMAP_NOCACHE_SER              1
+#define IOMAP_NOCACHE_NONSER           2
+#define IOMAP_WRITETHROUGH             3
+
+extern void iounmap(void __iomem *addr);
+
+extern void __iomem *__ioremap(unsigned long physaddr, unsigned long size,
+                      int cacheflag);
+extern void __iounmap(void *addr, unsigned long size);
+
+
+/* ++roman: The assignments to temp. vars avoid that gcc sometimes generates
+ * two accesses to memory, which may be undesirable for some devices.
+ */
+#define in_8(addr) \
+    ({ u8 __v = (*(__force volatile u8 *) (addr)); __v; })
+#define in_be16(addr) \
+    ({ u16 __v = (*(__force volatile u16 *) (addr)); __v; })
+#define in_be32(addr) \
+    ({ u32 __v = (*(__force volatile u32 *) (addr)); __v; })
+#define in_le16(addr) \
+    ({ u16 __v = le16_to_cpu(*(__force volatile __le16 *) (addr)); __v; })
+#define in_le32(addr) \
+    ({ u32 __v = le32_to_cpu(*(__force volatile __le32 *) (addr)); __v; })
+
+#define out_8(addr,b) (void)((*(__force volatile u8 *) (addr)) = (b))
+#define out_be16(addr,w) (void)((*(__force volatile u16 *) (addr)) = (w))
+#define out_be32(addr,l) (void)((*(__force volatile u32 *) (addr)) = (l))
+#define out_le16(addr,w) (void)((*(__force volatile __le16 *) (addr)) = cpu_to_le16(w))
+#define out_le32(addr,l) (void)((*(__force volatile __le32 *) (addr)) = cpu_to_le32(l))
+
+
+#ifdef CONFIG_PCI
+/* pci */
+unsigned char  pci_inb(long addr);
+unsigned short pci_inw(long addr);
+unsigned long  pci_inl(long addr);
+
+void pci_outb(unsigned char  val, long addr);
+void pci_outw(unsigned short val, long addr);
+void pci_outl(unsigned long  val, long addr);
+
+void pci_insb(volatile unsigned char *addr,
+               unsigned char *buf, int len);
+void pci_insw(volatile unsigned short *addr,
+               unsigned short *buf, int len);
+void pci_insl(volatile unsigned long *addr,
+               unsigned long *buf, int len);
+
+void pci_outsb(volatile unsigned char *addr,
+               const unsigned char *buf, int len);
+void pci_outsw(volatile unsigned short *addr,
+               const unsigned short *buf, int len);
+void pci_outsl(volatile unsigned long *addr,
+               const unsigned long *buf, int len);
+
+unsigned short pci_raw_inw(long addr);
+unsigned long  pci_raw_inl(long addr);
+void pci_raw_outw(unsigned short val, long addr);
+void pci_raw_outl(unsigned long  val, long addr);
+
+#define raw_inb(port) pci_inb((long)((volatile unsigned char *)(port)))
+#define raw_inw(port) pci_raw_inw((long)((volatile unsigned short *)(port)))
+#define raw_inl(port) pci_raw_inl((long)((volatile unsigned long *)(port)))
+
+#define raw_outb(val, port) \
+       pci_outb((val), (long)((volatile unsigned char *)(port)))
+#define raw_outw(val, port) \
+       pci_raw_outw((val), (long)((volatile unsigned short *)(port)))
+#define raw_outl(val, port) \
+       pci_raw_outl((val), (long)((volatile unsigned long *)(port)))
+
+#define swap_inw(port) pci_inw((long)((volatile unsigned short *)(port)))
+#define swap_outw(val, port) \
+       pci_outw((val), (long)((volatile unsigned short *)(port)))
+
+#else
+/* non-pci */
+#define raw_inb in_8
+#define raw_inw in_be16
+#define raw_inl in_be32
+
+#define raw_outb(val,port) out_8((port),(val))
+#define raw_outw(val,port) out_be16((port),(val))
+#define raw_outl(val,port) out_be32((port),(val))
+
+#define swap_inw(port) in_le16((port))
+#define swap_outw(val,port) out_le16((port),(val))
+#endif
+
+static inline void raw_insb(volatile u8 __iomem *port, u8 *buf, unsigned int len)
+{
+       unsigned int i;
+
+        for (i = 0; i < len; i++)
+               *buf++ = in_8(port);
+}
+
+static inline void raw_outsb(volatile u8 __iomem *port, const u8 *buf,
+                            unsigned int len)
+{
+       unsigned int i;
+
+        for (i = 0; i < len; i++)
+               out_8(port, *buf++);
+}
+
+static inline void raw_insw(volatile u16 *port, u16 *buf, unsigned int nr)
+{
+       unsigned int i;
+
+       for (i = 0; i < nr; i++)
+               *buf++ = raw_inw(port);
+}
+
+static inline void raw_outsw(volatile u16 *port, const u16 *buf,
+       unsigned int nr)
+{
+       unsigned int i;
+
+       for (i = 0; i < nr; i++, buf++)
+               raw_outw(*buf, port);
+}
+
+static inline void raw_insl(volatile u32 *port, u32 *buf, unsigned int nr)
+{
+       unsigned int i;
+
+       for (i = 0; i < nr; i++)
+               *buf++ = raw_inl(port);
+}
+
+static inline void raw_outsl(volatile u32 *port, const u32 *buf,
+       unsigned int nr)
+{
+       unsigned int i;
+
+       for (i = 0; i < nr; i++, buf++)
+               raw_outl(*buf, port);
+}
+
+static inline void raw_insw_swapw(volatile u16 *port, u16 *buf,
+                                 unsigned int nr)
+{
+#ifdef UNDEF
+       unsigned int i;
+
+       for (i = 0; i < nr; i++)
+               *buf++ = in_le16(port);
+#endif
+}
+
+static inline void raw_outsw_swapw(volatile u16 __iomem *port, const u16 *buf,
+                                  unsigned int nr)
+{
+#ifdef UNDEF
+       unsigned int i;
+
+       for (i = 0; i < nr; i++, buf++)
+               out_le16(port, *buf);
+#endif
+}
+
+#endif /* __KERNEL__ */
+
+#endif /* __CF_RAW_IO__ */